Tools and Machinery
| Tue 13 Oct 2026
Beijing, Oct. 12 -- Chinese Patent for Converter Movable Bottom with Good Leakage-proof Effect has been issued to Hebei Hegang Material Technology Research Institute, HBIS Group and HBIS. This invention was developed by Huang Jiankun, Li Shuangjiang, Zhang Caidong, Zhang Yunfei, Li Zhangyong, Yao Donghong, Meng Fanlei, Zhang Jun..